Oversampling PID controller for integration with a delta-sigma analog-to-digital converter
a technology of analog-to-digital converter and oversampling pid controller, which is applied in the direction of electric controllers, controllers with particular characteristics, instruments, etc., can solve the problems of unattractive consequences, cost addition to such designs, and alternative process-intensive computations
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[0012]The making and using of the presently preferred embodiments are discussed in detail below. It should be appreciated, however, that the present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention.
[0013]The present invention will be described with respect to exemplary embodiments in a specific context, namely an oversampling PID controller for controlling an analog process. The oversampling PID controller includes a delta-sigma modulator producing a one-bit oversampled signal representing a measured output characteristic of the analog process, a delta-sigma modulator producing a one-bit oversampled signal representing a set-point value for the output characteristic, a summer forming a difference of these signals representing a control error signal, and a control block ...
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